This 38-year old fish became a casualty of changing trends.

Home of what was the largest hydraulic mine in the world, producing gold and the first diamonds in the U.S.

This enormous World War II relic is one of the largest wooden structures in the world.

These four islands right offshore have waterfalls, colorful lights, fancy buildings, and a secret purpose.

The California capital city once stood 10 feet lower than it does today.

The dramatic upward-curving roof is one of the most iconic examples of Googie architecture that still stands today.

Storybook cottage in Beverly Hills was once the site of 1920s silent film studio, affectionately known as "The Witch's House."

Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

The secret city built by the Manhattan Project.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

The oldest apple tree in the Pacific Northwest.

An obscure waterfall that looks like something out of a fantasy novel.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

A local prank turned town icon.

This elaborate towering structure was once famed for its revolutionary height.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

The eerie ruins of an isolated abandoned town nicknamed "the Widowmaker" for its deadly gold mine.

A maritime museum holding the remains of Blackbeard's pirate ship.

Pensacola's UFO home has withstood many hurricanes—just as the experimental 1960s design intended.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.